@import url('https://fonts.googleapis.com/css2?family=Gothic+A1:wght@500;700;800;900&family=IBM+Plex+Sans+KR:wght@400;500;600;700&family=IBM+Plex+Mono:wght@500;600&display=swap');

:root{
  --bg:#ffffff; --surface:#f6f5fb; --surface-2:#eeecf9;
  --ink:#15132b; --ink-soft:#5c5a78; --ink-faint:#8a88a3;
  --primary:#332e91; --primary-ink:#ffffff; --accent:#6f4bff; --accent-2:#2f6fed;
  --border:#e3e1f0; --border-strong:#cbc8e6; --card:#ffffff;
  --legal:#c2410c; --good:#1f9d6c;
  --shadow:0 1px 2px rgba(21,19,43,.04),0 8px 24px rgba(21,19,43,.06);
  color-scheme:light;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#0f0e1f; --surface:#161528; --surface-2:#1d1c34;
    --ink:#f2f1fb; --ink-soft:#aeacc9; --ink-faint:#7f7d9c;
    --primary:#9b8dff; --primary-ink:#15132b; --accent:#a58bff; --accent-2:#6ea1ff;
    --border:#2b2947; --border-strong:#3a3860; --card:#181731;
    --legal:#fb923c; --good:#4fd8a0;
    --shadow:0 1px 2px rgba(0,0,0,.3),0 12px 32px rgba(0,0,0,.35);
    color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --bg:#0f0e1f; --surface:#161528; --surface-2:#1d1c34;
  --ink:#f2f1fb; --ink-soft:#aeacc9; --ink-faint:#7f7d9c;
  --primary:#9b8dff; --primary-ink:#15132b; --accent:#a58bff; --accent-2:#6ea1ff;
  --border:#2b2947; --border-strong:#3a3860; --card:#181731;
  --legal:#fb923c; --good:#4fd8a0;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 12px 32px rgba(0,0,0,.35);
  color-scheme:dark;
}

*{box-sizing:border-box;}
body{margin:0;background:var(--bg);color:var(--ink);font-family:'IBM Plex Sans KR','Noto Sans KR',-apple-system,sans-serif;font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased;}
.wrap{max-width:880px;margin:0 auto;padding-inline:16px;}
@media (min-width:640px){.wrap{padding-inline:24px;}}
h1,h2,h3{font-family:'Gothic A1','IBM Plex Sans KR',sans-serif;margin:0;color:var(--ink);text-wrap:balance;}
p{margin:0;}
a{color:var(--accent);}
.mono{font-family:'IBM Plex Mono',ui-monospace,monospace;}

/* header */
.site-head{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--bg) 90%,transparent);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--border);}
.site-head .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-block:14px;max-width:1160px;}
.brand{font-weight:800;text-decoration:none;color:var(--ink);font-size:1rem;}
.head-links{display:flex;gap:18px;align-items:center;font-size:.9rem;}
.head-links a{color:var(--ink-soft);text-decoration:none;}
.head-links a:hover{color:var(--ink);}

/* breadcrumb */
.crumb{font-size:.82rem;color:var(--ink-faint);padding-top:28px;}
.crumb a{color:var(--ink-faint);text-decoration:none;}
.crumb a:hover{color:var(--ink);}

/* article */
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:'IBM Plex Mono',monospace;font-size:.72rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin-top:20px;}
article h1{font-size:clamp(1.7rem,4.2vw,2.5rem);font-weight:900;line-height:1.25;margin-top:12px;}
.lede{margin-top:16px;font-size:1.05rem;color:var(--ink-soft);}
.meta{margin-top:14px;font-size:.82rem;color:var(--ink-faint);}
article h2{font-size:1.35rem;margin-top:48px;}
article h3{font-size:1.05rem;margin-top:28px;}
article p + p{margin-top:12px;}
article section > p{margin-top:12px;color:var(--ink-soft);}
article ul,article ol{color:var(--ink-soft);padding-left:1.2em;margin:12px 0 0;}
article li + li{margin-top:6px;}

/* summary box */
.summary{margin-top:28px;background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:20px 22px;}
.summary dl{display:grid;grid-template-columns:auto 1fr;gap:8px 16px;margin:0;font-size:.92rem;}
.summary dt{color:var(--ink-faint);}
.summary dd{margin:0;color:var(--ink);}

/* schedule table */
.table-scroll{margin-top:20px;overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--border);border-radius:14px;}
table.sched{width:100%;border-collapse:collapse;font-size:.9rem;min-width:600px;}
table.sched caption{caption-side:top;text-align:left;padding:14px 16px 0;font-size:.82rem;color:var(--ink-faint);}
table.sched th,table.sched td{padding:12px 14px;border-bottom:1px solid var(--border);text-align:left;vertical-align:top;}
table.sched thead th{background:var(--surface);font-size:.78rem;color:var(--ink-soft);font-weight:600;white-space:nowrap;}
table.sched tbody tr:last-child td{border-bottom:none;}
table.sched td.d{font-family:'IBM Plex Mono',monospace;font-weight:600;color:var(--primary);white-space:nowrap;}
table.sched td.date{white-space:nowrap;font-variant-numeric:tabular-nums;}
table.sched tr.anchor td{background:color-mix(in srgb,var(--accent) 10%,transparent);font-weight:600;}
.shifted{display:block;font-size:.74rem;color:var(--ink-faint);font-weight:400;}
.tag{display:inline-block;font-size:.7rem;font-weight:600;padding:2px 8px;border-radius:999px;margin-left:6px;white-space:nowrap;vertical-align:1px;}
.tag-legal{color:var(--legal);background:color-mix(in srgb,var(--legal) 12%,transparent);}
.tag-opt{color:var(--ink-faint);background:var(--surface-2);}
.law{display:block;font-size:.76rem;color:var(--ink-faint);margin-top:2px;}

/* CTA */
.cta{margin-top:36px;background:var(--primary);color:var(--primary-ink);border-radius:18px;padding:28px 26px;}
.cta h2{color:var(--primary-ink);font-size:1.25rem;margin:0;}
.cta p{margin-top:10px;opacity:.88;font-size:.95rem;}
.cta-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px;}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 20px;border-radius:10px;font-weight:600;font-size:.92rem;text-decoration:none;border:1px solid transparent;white-space:nowrap;}
.cta .btn-light{background:var(--primary-ink);color:var(--primary);}
.cta .btn-line{border-color:color-mix(in srgb,var(--primary-ink) 50%,transparent);color:var(--primary-ink);}
.btn-ghost{border-color:var(--border-strong);color:var(--ink);}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent);}

/* notes */
.note{margin-top:28px;border-left:3px solid var(--legal);background:var(--surface);padding:14px 16px;border-radius:0 10px 10px 0;font-size:.88rem;color:var(--ink-soft);}
.note strong{color:var(--ink);}

/* FAQ */
details{border-bottom:1px solid var(--border);padding-block:14px;}
details summary{cursor:pointer;font-weight:600;color:var(--ink);}
details p{margin-top:10px;color:var(--ink-soft);font-size:.94rem;}

/* related / hub cards */
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px;margin-top:20px;}
.card{display:block;background:var(--card);border:1px solid var(--border);border-radius:14px;padding:20px;text-decoration:none;color:var(--ink);box-shadow:var(--shadow);}
a.card:hover{border-color:var(--accent);}
.card .kind{font-family:'IBM Plex Mono',monospace;font-size:.7rem;color:var(--accent);font-weight:600;letter-spacing:.06em;}
.card h3{font-size:1rem;margin-top:8px;}
.card p{margin-top:6px;color:var(--ink-soft);font-size:.86rem;}
.card.soon{box-shadow:none;background:var(--surface);color:var(--ink-soft);}

footer.site{margin-top:72px;border-top:1px solid var(--border);padding-block:28px;font-size:.8rem;color:var(--ink-faint);}
footer.site .wrap{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;max-width:1160px;}
footer.site a{color:var(--ink-faint);}